| COMSTAR 4, COMSTAR D-4 | ||
| NORAD: 12309 | ID: 1981-018A | Origin: United States of America |
| Launch Date: 21.02.1981 23:23:00 | Vehicle: SLV-3D Centaur | |
| Epoch Date | Longitude | Inclination | Drift | Altitude |
| 18.07.2008 00:00:44 | 76.6°E | 13.7° | 35788 km | |
| 10.07.2008 00:33:49 | 76.2°E | 13.6° | 35788 km | |
| 04.07.2008 00:58:43 | 75.9°E | 13.6° | 35787 km | |
| 27.06.2008 01:27:44 | 75.6°E | 13.6° | 35788 km | |
| 20.06.2008 01:56:49 | 75.2°E | 13.6° | 35789 km | |
| 11.06.2008 02:34:02 | 74.8°E | 13.6° | 35788 km | |
| 04.06.2008 03:03:01 | 74.5°E | 13.6° | 35786 km | |
| 29.05.2008 03:27:56 | 74.2°E | 13.6° | 35784 km | |
| 20.05.2008 04:05:14 | 73.8°E | 13.6° | 35784 km | |
| 18.05.2008 04:13:30 | 73.7°E | 13.6° | 35786 km | |
| 10.05.2008 04:46:38 | 73.3°E | 13.6° | 35786 km | |
| 03.05.2008 05:15:34 | 73.0°E | 13.6° | 35787 km | |
| 25.04.2008 05:48:39 | 72.7°E | 13.6° | 35787 km | |
| 15.04.2008 06:29:57 | 72.3°E | 13.6° | 35789 km | |
| 09.04.2008 06:54:41 | 72.0°E | 13.6° | 35789 km | |
| 03.04.2008 07:19:31 | 71.8°E | 13.6° | 35788 km | |
| 12.03.2008 08:49:48 | 71.0°E | 13.5° | 35792 km | |
| 06.03.2008 09:14:27 | 70.8°E | 13.5° | 35791 km | |
| 24.02.2008 09:59:13 | 70.5°E | 13.5° | 35794 km | |
| 21.02.2008 10:11:27 | 70.5°E | 13.5° | 35794 km | |
| 09.02.2008 11:00:16 | 70.2°E | 13.5° | 35793 km | |
| 04.02.2008 11:20:24 | 70.1°E | 13.5° | 35794 km | |
| 31.01.2008 11:36:30 | 70.0°E | 13.5° | 35796 km |
Automatically compiled. Data may be inaccurate and/or inconsistent. Do not use to operate your satellite :-)